<!DOCTYPE>
<html>

<head>
    <meta charset="utf-8">
    <title>task17</title>
    <script src="script/task17.js"></script>
</head>

<body>
    <fieldset id="form-gra-time">
        <legend>请选择日期粒度：</legend>
        <label>日
            <input name="gra-time" value="day" type="radio" checked="checked">
        </label>
        <label>周
            <input name="gra-time" value="week" type="radio">
        </label>
        <label>月
            <input name="gra-time" value="month" type="radio">
        </label>
    </fieldset>
    <fieldset>
        <legend>请选择查看的城市：</legend>
        <select id="city-select">
            <option>北京</option>
        </select>
    </fieldset>
    <div class="aqi-chart-wrap">
    </div>
</body>

</html>
